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Round|Lab Grown|IGI

1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG652478204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG652478204

Diamond specifications and retailer prices

From €393 EUR
$439 USD
As of October 30, 2026
Save €678 EUR (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,071 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG652478204 or 652478204. Listed at 15 retailers as of October 29, 2026, with prices from €393 to €1,071, a €678 spread on the same certified stone. MOH London lists it at €1,071. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652478204
Dimensions7.71 × 7.66 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.71 mm7.66 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652478204
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,071 EUR|Low: €228 EUR|High: €1,079 EUR|Avg: €581 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9€228 EUR
Retailer 10€393 EUR
Retailer 8€395 EUR
Retailer 4€405 EUR
Retailer 2€418 EUR
Retailer 3€475 EUR
Retailer 11€532 EUR
Retailer 6€736 EUR
Retailer 7€747 EUR
Retailer 5€976 EUR
MOH London€1,071 EUR

38 data points across 11 retailers

15 retailers€393 EUR to €1,071 EUR

Retailer 1
-
€183 EUR
$205 USD
Price last confirmed 35 days ago
Retailer 2
-
€213 EUR
$238 USD
View
Price last confirmed 39 days ago
Retailer 3
-
€225 EUR
$251 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€228 EUR
$255 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
€393 EUR
$439 USD
View
Retailer 6
-
€395 EUR
£348 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€405 EUR
View
A
Retailer 8
-
€418 EUR
£368 GBP
View
A
Retailer 9
-
€475 EUR
$531 USD
View
B+
Retailer 10
-
€532 EUR
$594 USD
View
Retailer 11
-
€733 EUR
$819 USD
View
Price last confirmed 34 days ago
B
Retailer 12
-
€736 EUR
$822 USD
View
Retailer 13
-
€747 EUR
$835 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€976 EUR
$1,090 USD
View
Most Expensive
B
MOH London
LG652478204 · Oct 29
€1,071 EUR
£942 GBP
View
14 more retailers have this diamond
Prices start from €393 EURSave up to €678 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.73ct Round
€393 EUR